430 APPENDIX. 
On your passage towards the Sandwich Islands, you may calculate 
on making your easting under the equator, as westerly winds are said 
to prevail at this season. 
The cooper of the Shylock is transferred to the Porpoise. 
Wishing you a pleasant passage, 
I am, &c., 
Cuartes WitkEs, 
Commanding Exploring Expedition. 
Lieut. Com. C. Rineeoxp. 
P.S. You will procure sufficient provisions to complete your rations 
for the crew, from any vessels you may meet with. 
Should you succeed in obtaining the chief Opotuno, you will keep 
him safely on board the Porpoise until further orders, and will obtain 
from the consul or missionaries all the evidence possible, relative to 
his attacking any American citizens. 
C. W. 
U. S. Ship Vincennes, 
August 10th, 1840. 
Sr,— 
You will proceed to the Sandwich Islands, running for all shoals 
that may lay in or near your track, and if any are found, they will be 
carefully examined. A copy of those existing is herewith enclosed. 
This duty is not to divert you so far from your course, as to subject 
you to the necessity of a further reduction of your rations. 
You will endeavour to procure provisions from any vessel you may 
meet with, so as to enable you to issue the complete ration. 
lam; cc: 
Cuartes WILKEs, 
Commanding Exploring Expedition. 
Captain Hupson, 
U. S. Ship Peacock. 
U.S. Ship Vincennes, 
At Sea, August 11th, 1840. 
Sir,— 
I send. you the dipping-needles: at any land you make, you will get 
observations with them. 
You will not omit, on making any land whatever, to put over your 
